ASN Wikibase Occurrence # 131590
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| Date: | Saturday 7 September 1991 |
| Time: | 21:55 LT |
| Type: |  Cessna 172K |
| Owner/operator: | Sheble Aviation Inc. |
| Registration: | N7031G |
| MSN: | 17258731 |
| Engine model: | Lycoming O-320-E2D |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Bullhead City, AZ -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Las Vegas, NV (KLAS) |
| Blythe, CA (KBUT) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE ATP CERTIFICATED PILOT AND HIS WIFE HAD BEEN AIRBORNE FOR ABOUT 35 MINUTES AND WERE APPROACHING AN AIRPORT FOR LANDING WHEN SHE STATED THAT THEY HAD AN INFLIGHT CABIN FIRE. THE NIGHT FLIGHT ORIGINATED AT LAS VEGAS, NEVADA, WHERE THEY HAD JUST BEEN MARRIED. PRIOR TO REACHING THE INTENDED AIRPORT, SHE STATED THE FIRE ORIGINATED IN THE OVERHEAD LIGHT CONSOLE WHICH HOUSES 2 RHEOSTATS AND A LIGHT SWITCH. THE FIRE BEGAN TO BURN THE HEADLINER AND PLASTIC CONSOLE. THE BURNING PLASTIC WAS DRIPPING ONTO THEIR BODIES. THE AIRCRAFT CRASHED OUT OF CONTROL NEAR THE RUNWAY IN THE DIRT AND WAS DESTROYED. THE CABIN FIRE WAS EXTINGUISHED BY THE LOCAL FIRE DEPARTMENT. A DUPLICATE CONSOLE WAS TESTED. WHEN THE DOOR POST LIGHT WAS SHORTED, THE LIGHTING RHEOSTAT IN THE CONSOLE REACHED IN EXCESS OF 1425 DEGREES FAHRENHEIT AT A CIRCUIT LOAD 6 AMPS MAXIMUM. THE CIRCUIT IS PROTECTED BY A 10 AMP BREAKER. THE OVERHEAD CABIN PLASTIC MATERIAL WAS FOUND TO READILY BURN.
Probable Cause: 1) A SHORT CIRCUIT, 2) ELECTRICAL OVERLOAD WHICH IGNITED THE CABIN INTERIOR, 3) INADEQUATE ELECTRICAL CIRCUIT PROTECTION, AND 4) INSUFFICIENT ELECTRICAL SYSTEM DESIGN STANDARDS.
Accident investigation:
 |
|
Sources:
NTSB LAX91FA386
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 11-Apr-2024 12:20 | ASN Update Bot | Updated [Time, Other fatalities, Phase, Departure airport, Destination airport, Source, Narrative, Accident report] |
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